Draw the structure of each amino acid below at low pH (pH=

Last updated: 7/29/2022

Draw the structure of each amino acid below at low pH (pH= 1), pH = 7.4 and high pH (pH = 14) and classify it as polar or nonpolar. If polar, indicate if the R group is neutral, acidic or basic. Indicate if each is hydrophobic or hydrophilic. a. lysine b. proline c. valine d. tyrosine